WGL615117:
The Market Place, Malines, c.1884 (watercolour & gum arabic over pencil with gouache on paper), Callow, William (1812-1908) / Bridgeman Images
CH402450:
Verona: Corso Sant' Anastasia and the Palazzo Maffei, 1855 (pencil & watercolour heightened with white on paper), Callow, William (1812-1908) / Bridgeman Images
XCS6041476:
The Chateau at Amboise, on the Loire, 1836 (pencil, watercolour & bodycolour on blue paper), Callow, William (1812-1908) / Bridgeman Images
XCC2972704:
The Entrance to the Harbour of Marseilles, c.1838 (w/c with touches of gouache, over traces of graphite, and scraping, on off-white wove paper), Callow, William (1812-1908) / Bridgeman Images